RaceChip RS + App Bluetooth Tuning Box / Performance Chip Power Module for BMW 3 Series E90 E91 E92 E93 (2004-2011) - Plug & Play ECU Piggyback, Remap Alternative, Petrol & Diesel, Smartphone Control

Plug-in Power Upgrade for BMW 3 Series E90 E91 E92 E93 2004 to 2011 with Smartphone Control

Unlock effortless performance and drivability from your BMW saloon, touring, coupé or cabriolet with this Bluetooth-enabled power module. This premium, German-built unit is a plug-in ECU piggyback that delivers stronger mid-range torque, sharper throttle response and a smoother surge of power, all while remaining fully reversible.

We run this module on our own cars and our customers love the instant punch and refinement it brings. If you want a remap alternative that you can remove at any time, this is the smart, safe choice.

Why enthusiasts choose this app-controlled performance chip

• Bluetooth smartphone control for on-the-fly adjustment via the companion app
• Pre-calibrated specifically for your engine with six selectable power levels
• OEM-grade, automotive connectors and vehicle-specific loom for a clean, secure fit
• German-engineered hardware and software for reliability and consistency
• Quick DIY install in around 10 minutes, full instructions included
• Potential fuel saving of up to 15 percent with a light right foot and sensible driving
• Completely reversible upgrade that leaves your factory ECU untouched

Feature highlights

• Engine-optimised mapping out of the box for your BMW 3 Series
• Six-stage fine tuning using the front rotary selector plus app control
• High-quality enclosure and components designed for longevity
• Professional safety-grade connector system for a dependable connection

Compatible BMW models

3 Series E90 E91 E92 E93 model years 2004 to 2011, petrol or diesel. Ideal for drivers seeking a plug-and-play tuning solution, ECU piggyback upgrade, app-controlled tuning box or remap alternative for daily use and spirited driving.

Installation and fitting

Home installation is straightforward thanks to the plug-in harness and clear instructions. Prefer professional fitting. Book with MJ Modifications in Warwickshire for expert installation and setup. Request a quote at info@mjmodifications.co.uk.

What you can expect

• Noticeably stronger pull through the rev range
• Improved responsiveness and flexibility
• Refined drivability around town and on the motorway

If you are searching for a BMW E90 tuning module, BMW 3 Series performance chip, ECU piggyback, diesel tuning box or petrol tuning box with app control, this is the plug-and-play solution that delivers real-world gains with convenience and confidence.